The possibility of energy accumulation in a current sheet above the NOAA 9077 active region prior to the flare on 14 July 2000

Details The possibility of energy accumulation in a current sheet above the NOAA 9077 active region prior to the flare on 14 July 2000 The possibility of energy accumulation in a current sheet above the NOAA 9077 active region prior to the flare on 14 July 2000

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002soph..207..323b&link_type=abstract

Solar Physics, v. 207, Issue 2, p. 323-336 (2002).

Physics

12

Scientific paper

Current sheet (CS) creation and energy accumulation above the NOAA 9077 active region have been numerically simulated. The magnetic spots are approximated by vertical dipoles placed under the photosphere, and the system of resistive 3D MHD equations is solved for compressible plasma with anisotropic thermal conduction. Two neutral magnetic lines are present in the corona above the NOAA 9077 active region, and a vertical CS emerges in the vicinity of one of them. The energy accumulated in this CS is about 5×1032 erg. The j × B/c force in it accelerates plasma upward. The other neutral line is not suitable for CS creation.

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